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C620、C620-1和C6140车床的中拖板刻度每格为0.05mm,难以控制精车时的切削深度。 1.改进方法 精车时,改用小拖板刻度盘控制切削深度,使小
C620, C620-1 and C6140 lathe in the scale of each carriage is 0.05mm, it is difficult to control the finishing depth of the fine car. 1. Improve the method of fine car, switch to a small carriage dial control cutting depth, so small